Quadraphonic Amplifier: This is a four channel amplifier ideally suited for use with quadraphonic equipment such as a Sound Blaster Live card. |
Surround Sound Decoder: This surround-sound decoder is based on the "Hafler" principle, first discovered by David Hafler sometime in the early1970s. The original idea was to connect a pair of speakers |
Audio Circuits: Surround Sound Circuits
